mubarak. >>> a. israeli prime minister ariel sharon's brain shows he has significant brain activity. doctors assumed the 84-year-old was in a vegetative state after his devastating stroke seven years ago. but scientists say his brain is responding to external stimuli which means he may be able to hear and even understand what is going on around him. more tests trying to find out exact li how conscience sharon is were less conclusive. >>> he thought it was a joke but it certainly wasn't. still ahead, a faithful who is now headed to the super bowl thanks to ceo jed york. >>> plus, flying in style. a candid look at how quarterback colin kaepernick traveled to new orleans. >>> and if you're traveling outside right now around the golden gate bridge, fog free. cool night ahead before a weekday warmup arrives to the bay area. i'll have a look at your seven-day forecast when we come right back. >>> a long time 49er faithful has gone to all five super bowls. the 73-year-old is going to his sixth thanks to tea